Our Mission
DevUtils was created to provide simple, fast, and free developer utilities that anyone can use without registration or downloads. We believe essential tools should be accessible to everyone, from beginners to professional developers.
Our Tools
DevUtils offers a comprehensive collection of online utilities designed to streamline your development workflow:
JSON Formatter & Validator
Beautifully format, validate, and minify JSON data. Detect syntax errors instantly, collapse/expand nodes, and copy formatted output with a single click. Perfect for debugging API responses and configuration files.
Base64 Encoder / Decoder
Convert text and files to and from Base64 encoding. Supports both text input and file uploads, making it ideal for encoding images, certificates, and any binary data for web applications.
Regex Tester
Test and debug regular expressions with real-time highlighting. Match, replace, and split operations with comprehensive flags support. Includes a quick reference guide for common patterns.
URL Encoder / Decoder
Safely encode and decode URLs and query parameters. Perfect for handling special characters, spaces, and international text in web requests and API calls.
Text Diff Checker
Compare two text snippets side-by-side with highlighted differences. Identify additions, deletions, and unchanged sections. Ideal for code reviews, version comparisons, and content changes.
Color Converter
Convert colors between HEX, RGB, HSL, and other formats. Includes a visual color picker and palette generation. Essential for web designers and frontend developers.
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-512 and other hash values from text input. Useful for checksums, password hashing verification, and data integrity checks.
Timestamp Converter
Convert Unix timestamps to human-readable dates and vice versa. Supports multiple timezone conversions and various date formats. Perfect for developers working with time-based data.
Why Choose DevUtils?
- 100% Free — No signup, no hidden costs, no usage limits
- Privacy First — All calculations run in your browser, data never leaves your device
- Lightning Fast — Instant loading and processing on any device
- Mobile Friendly — Fully responsive design works perfectly on phones and tablets
- Minimal Ads — Non-intrusive advertising keeps the service free
- No Registration — Start using tools immediately, no account required
- Regular Updates — New tools and features added based on user feedback
Frequently Asked Questions
Are these online tools free to use?
Yes, all DevUtils online utilities are completely free. No registration, no hidden costs, and no limits on usage.
Is my data safe when using these tools?
Absolutely. All processing happens entirely in your browser. Your data never leaves your device, ensuring complete privacy and security.
Do these tools work on mobile devices?
Yes, all DevUtils utilities are fully responsive and work perfectly on smartphones, tablets, and desktop computers.
What utilities are available?
We offer JSON formatter/beautifier, Base64 encoder/decoder, regex tester, URL encoder/decoder, text diff tool, color converter, hash generator, timestamp converter, and more developer utilities.
Do I need to install any software?
No installation required. All tools run directly in your web browser, making them accessible from anywhere with an internet connection.
Časté dotazy (FAQ v češtině)
Jsou tyto online nástroje zdarma?
Ano, všechny online nástroje DevUtils jsou zcela zdarma. Žádná registrace, žádné skryté náklady a žádné limity používání.
Jsou moje data při používání těchto nástrojů v bezpečí?
Absolutně. Veškeré zpracování probíhá výhradně ve vašem prohlížeči. Vaše data nikdy neopustí vaše zařízení, což zajišťuje úplné soukromí a bezpečnost.
Fungují tyto nástroje na mobilních zařízeních?
Ano, všechny utility DevUtils jsou plně responzivní a perfektně fungují na chytrých telefonech, tabletech i stolních počítačích.
Jaké utility jsou k dispozici?
Nabízíme JSON formátovač/zkrášlovač, Base64 kodér/dekodér, tester regulárních výrazů, URL kodér/dekodér, nástroj pro porovnávání textu, převodník barev, generátor hashů, převodník časových razítek a další vývojářské utility.
Musím instalovat nějaký software?
Ne, instalace není vyžadována. Všechny nástroje běží přímo ve vašem webovém prohlížeči, takže jsou přístupné odkudkoli s připojením k internetu.
Contact
Have feedback or found a bug? Visit our contact page.
About 2K3D s.r.o.
This website is operated by 2K3D s.r.o., a company registered in the Czech Republic (Company ID: 09124497). For more information, visit the company registry entry.